GB2345831B - Device for detecting synchronization in a digital broadcasting receiving system - Google Patents

Device for detecting synchronization in a digital broadcasting receiving system

Info

Publication number
GB2345831B
GB2345831B GB9926439A GB9926439A GB2345831B GB 2345831 B GB2345831 B GB 2345831B GB 9926439 A GB9926439 A GB 9926439A GB 9926439 A GB9926439 A GB 9926439A GB 2345831 B GB2345831 B GB 2345831B
Authority
GB
United Kingdom
Prior art keywords
receiving system
digital broadcasting
broadcasting receiving
detecting synchronization
synchronization
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
GB9926439A
Other versions
GB9926439D0 (en
GB2345831A (en
Inventor
Min Young Park
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LG Electronics Inc
Original Assignee
LG Electronics Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by LG Electronics Inc filed Critical LG Electronics Inc
Publication of GB9926439D0 publication Critical patent/GB9926439D0/en
Publication of GB2345831A publication Critical patent/GB2345831A/en
Application granted granted Critical
Publication of GB2345831B publication Critical patent/GB2345831B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/238—Interfacing the downstream path of the transmission network, e.g. adapting the transmission rate of a video stream to network bandwidth; Processing of multiplex streams
    • H04N21/2383—Channel coding or modulation of digital bit-stream, e.g. QPSK modulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/025—Systems for the transmission of digital non-picture data, e.g. of text during the active part of a television frame
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2647—Arrangements specific to the receiver only
    • H04L27/2655—Synchronisation arrangements
    • H04L27/2662—Symbol synchronisation
    • H04L27/2665—Fine synchronisation, e.g. by positioning the FFT window
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2647—Arrangements specific to the receiver only
    • H04L27/2655—Synchronisation arrangements
    • H04L27/2668—Details of algorithms
    • H04L27/2673—Details of algorithms characterised by synchronisation parameters
    • H04L27/2676—Blind, i.e. without using known symbols
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/438—Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving MPEG packets from an IP network
    • H04N21/4382—Demodulation or channel decoding, e.g. QPSK demodulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2602—Signal structure
    • H04L27/2605—Symbol extensions, e.g. Zero Tail, Unique Word [UW]
GB9926439A 1998-11-07 1999-11-08 Device for detecting synchronization in a digital broadcasting receiving system Expired - Fee Related GB2345831B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019980047676A KR100510637B1 (en) 1998-11-07 1998-11-07 Synchronous Detection Device in DVB System

Publications (3)

Publication Number Publication Date
GB9926439D0 GB9926439D0 (en) 2000-01-12
GB2345831A GB2345831A (en) 2000-07-19
GB2345831B true GB2345831B (en) 2001-01-10

Family

ID=19557492

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9926439A Expired - Fee Related GB2345831B (en) 1998-11-07 1999-11-08 Device for detecting synchronization in a digital broadcasting receiving system

Country Status (3)

Country Link
KR (1) KR100510637B1 (en)
DE (1) DE19953184B4 (en)
GB (1) GB2345831B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100411893B1 (en) * 2001-07-09 2003-12-24 한국전자통신연구원 Apparatus for Symbol Synchronization in an Orthogonal Frequency Division Multiplexing Receiver System and Method Thereof
KR100672578B1 (en) * 2004-11-17 2007-01-24 엘지전자 주식회사 Apparatus and method for sync acquisition of time area
EP1911166B8 (en) * 2005-07-20 2013-10-16 Entropic Communications, Inc. Method for reception of DVB-H signals and DVB-H receiver
KR100662373B1 (en) * 2005-12-14 2007-01-02 엘지전자 주식회사 Apparatus for detecting synchronizaton of received signals and method thereof
US8045927B2 (en) 2006-04-27 2011-10-25 Nokia Corporation Signal detection in multicarrier communication system
US7864884B2 (en) 2006-04-27 2011-01-04 Nokia Corporation Signal detection in OFDM system
WO2008020360A1 (en) * 2006-08-18 2008-02-21 Nxp B.V. Time error estimation for data symbols

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0840485A2 (en) * 1996-10-31 1998-05-06 Discovision Associates Method and circuit for the synchronization of an OFDM receiver

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE9302453L (en) * 1993-07-20 1994-10-17 Telia Ab Method and apparatus for synchronization in digital transmission system of type OFDM
SE514986C2 (en) * 1995-03-01 2001-05-28 Telia Ab Method and device for synchronization with OFDM systems
EP0786183B1 (en) * 1995-08-16 2004-06-30 Koninklijke Philips Electronics N.V. Transmission system with improved symbol processing
KR100230271B1 (en) * 1997-01-10 1999-11-15 윤종용 The fine fft window position recovery apparatus for ofdm system

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0840485A2 (en) * 1996-10-31 1998-05-06 Discovision Associates Method and circuit for the synchronization of an OFDM receiver

Also Published As

Publication number Publication date
GB9926439D0 (en) 2000-01-12
KR20000031569A (en) 2000-06-05
GB2345831A (en) 2000-07-19
KR100510637B1 (en) 2006-02-28
DE19953184B4 (en) 2005-05-04
DE19953184A1 (en) 2000-06-15

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20161108